148638572543 has 2 divisors, whose sum is σ = 148638572544. Its totient is φ = 148638572542.

The previous prime is 148638572507. The next prime is 148638572549. The reversal of 148638572543 is 345275836841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148638572543 - 2⁸ = 148638572287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148638572549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74319286271 + 74319286272.

It is an arithmetic number, because the mean of its divisors is an integer number (74319286272).

Almost surely, 2^148638572543 is an apocalyptic number.

148638572543 is a deficient number, since it is larger than the sum of its proper divisors (1).

148638572543 is an equidigital number, since it uses as much as digits as its factorization.

148638572543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 56.

The spelling of 148638572543 in words is "one hundred forty-eight billion, six hundred thirty-eight million, five hundred seventy-two thousand, five hundred forty-three".